﻿using Microsoft.Extensions.Configuration;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FreeDream.Common
{
    /// <summary>
    /// appsettings.json操作类
    /// </summary>
    public class AppSettings
    {
        static IConfiguration Configuration { get; set; }

        static string contentPath { get; set; }

        public AppSettings(string contentPath)
        {
            string Path = "appsettings.json";

            ////如果你把配置文件 是 根据环境变量来分开了，可以这样写
            ////Path = $"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")}.json";
            //Configuration = new ConfigurationBuilder().SetBasePath(contentPath)
            //   .Add(new JsonConfigurationSource { Path = Path, Optional = false, ReloadOnChange = true })//这样的话，可以直接读目录里的json文件，而不是 bin 文件夹下的，所以不用修改复制属性
            //   .Build();

        }

        public AppSettings(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        /// <summary>
        /// 封装要操作的字符
        /// </summary>
        /// <param name="sections">节点配置</param>
        /// <returns></returns>
        public static string App(params string[] sections)
        {
            try
            {
                if (sections.Any())
                {
                    return Configuration[string.Join(":", sections)];
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }

            return "";
        }

        #region Bind

        /// <summary>
        /// 递归获取配置信息数组
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="sections"></param>
        /// <returns></returns>
        public static List<T> App<T>(params string[] sections)
        {
            List<T> list = new();
            // 引用 Microsoft.Extensions.Configuration.Binder 包
            Configuration.Bind(string.Join(":", sections), list);
            return list;
        }

        //public static T Bind<T>(string key, T t)
        //{
        //    Configuration.Bind(key, t);

        //    return t;
        //}

        #endregion

        /// <summary>
        /// 根据路径  configuration["App:Name"];
        /// </summary>
        /// <param name="sectionsPath"></param>
        /// <returns></returns>
        public static string GetValue(string sectionsPath)
        {
            try
            {
                return Configuration[sectionsPath];
            }
            catch (Exception) { }

            return "";

        }

        public static T GetAppConfig<T>(string key, T defaultValue = default)
        {
            T setting = (T)Convert.ChangeType(Configuration[key], typeof(T));
            var value = setting;
            if (setting == null)
                value = defaultValue;
            return value;
        }

        /// <summary>
        /// 获取配置文件 
        /// </summary>
        /// <param name="key">eg: WeChat:Token</param>
        /// <returns></returns>
        public static string GetConfig(string key)
        {
            return Configuration[key];
        }

        public static IConfigurationSection GetSection(string key)
        {
            return Configuration.GetSection(key);
        }
    }
}
